STANDARDChemistry-Solutions
STANDARD Chemistry Raoult's Law MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The relative lowering in vapour pressure is proportional to the ratio of number of
A
solute molecules to solvent molecules
B
solvent molecules to solute molecules
C
solute molecules to the total number of molecules in solution
D
solvent molecules to the total number of molecules in solution.
Correct Answer
Option C
Detailed Explanation
The relative lowering of vapour pressure is given by Raoult's law, which states that it is proportional to the mole fraction of the solute, hence the ratio of solute molecules to the total number of molecules in solution.
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